How does 4th octet of VM MAC address are calculated? Let’s begin the Calculation.Ĥth Octet of MAC = ( 128+ vCenter Instance ID) Convert it to Hexadecimal This is the VMware Organizational Unique Identifier (OUI). How vCenter Assigns Virtual MAC Address to VMware Virtual Machine?Īs we aware that, First 3 Octects will be 00:50:56. ESXi host which is not managed by the vCenter server will have the different mechanism to generate the MAC address for Virtual Machine.
This post only applies to the VM MAC generation, in which ESXi host is managed by vCenter Server. This may be the biggest question in our mind? Let’s discuss How MAC addresses are assigned to VMware Virtual Machines by the vCenter server. We all aware that first 3 octets will be 00:50:56.
I have been asked by many VMware Administrators about how MAC addresses are assigned to Virtual Machine?.